Panasonic sc en 35 pc service manual

Page 2

SC-EN35P I SC-EN35PC

Operating humidity range
11 SPEAKER SECTION

5% to 90% RH (no condensation)

Dimension (W x H x D)

121 mm x 236 mm x 146 mm
(4 3/4" x 9 9/32" x 5 3/4")

Type 1 Way, 1 speaker system Power consumption in standby mode:
Speaker(s) 8 cm (5 1/2") cone type 6 9 2.0 W (appx)
Impedance 6 (2 Notes:
Input power 6 (MAX) - Specifications are subject to change without notice.
- Mass and dimensions are approximate.
A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

Page

1 Safety Precautions ------------------------------------------------------------------ 4
1.1. General Guidelines -------------------------------------------------------- 4

1.2. Caution for fuse replacement ------------------------------------------ 5

1.3. Before repair and adjustment ----------------------------------------- 5

1.4. Protection Circuitry ------------------------------------------------------ 5

1.5. Safety Parts Information ----------------------------------------------- 5

2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices

3 Precaution of laser diode .............

4 Handling Precautions For Traverse Unit ................................ 7
5 About Lead Free Solder (PbF) ....................................... 9
5.1. ServiCe caution based on legal restrictions ...................... 9
6 Accessories -------------------------------------------------------------------------- 10
7 Operation Procedures ........................................................... 11
7.1. Remote Control Key Buttons Operations ....................... 11
7.2. Main Unit Key Buttons Operations -------------------------------- 11

7.3. Connection -----
7.4. Using the XMJ Satellite Radio-

8 Self diagnosis and special mode setting-

8.1. Service Mode Summary Table -------------------------------------- 14
8.2. Service Mode Table 1 -------------------------------------------------- 14
8.3. Error Code Table 1 ------------------------------------------------ 17
9 Assembling and Disassembling ------------------------------------------- 19
9.1. Caution ------------------------------------------------------------------------ 19
9.2. Disassembly flow chart ------------------------------------------------- 20
9.3. Main Components & P.C.B. Locations- --21

9.4. Disassembly of Rear Cabinet --
9.5. Disassembly of XM Module P.C.B.

9.6. Disassembly of Panel P.C.B. & LED P.C.B. ------------------ 22
9.7. Disassembly of Main P.C.B. Sensor P.C.B. & Tuner
P.C.B. ----------------------------------------------------------------------- 23
9.8. Disassembly of Switch P.C.B. & Traverse Unit ------------ 23
9.9. Disassembly of Power Switch P.C.B. & Tact Switch P.C.B.
----------------------------------------------------------------------------------- 24

9.10. Replacement of Traverse Cover-
9.11. Disassembly of CD Servo P.C.B.
9.12. Disassembly of Motor Unit & Motor P.C.B.-

13 Wiring Connection Diagram
14 Block Diagram --

16 Schematic Diagram

Page

9.13. Disassembly of CD Block & CD Lid .............................. 27
9.14. Disassembly of Speakers --------------------------------------------- 28

10 Service Fixture and Tools ----------------------------------------------------- 31
11 Service Positions ..................................................... 31
11.1. Check and Repair of CD Servo P.C.B. .......................... 32

11.2. Check and repair of Main P.C.B., Sensor P.C.B., Tuner
P.C.B., Motor P.C.B., Panel P.C.B., LED P.C.B., Power
Switch P.C.B., Tact Switch P.C.B XM Module P.C.B. &

Switch P.C.B. ------------------- ...33

12 Voltage and Waveform Chart ------------------------------------------------ 34
12.1. Main P.C.B. ----------------------------------------------------------------- 34
12.2. CD Servo P.C.B. .......................................................... 35
12.3. Motor P.C.B. ................................................................ 35
12.4. Panel P.C.B. ---------------------------------------------------------------- 35
12.5. Tuner P.C.B. ................................................................ 35
12.6. Waveform Chart ........................................................... 35

14.1. CD Servo

14.2. XM Module & Tuner ----------------------------------------------------- 40
14.3. Main (1/2), Transformer, & Sensor -------------------------------- 41
14.4. Main (2/2), Panel, LED, Power Switch, Tact Switch, Switch

& Motor --------------------------------------------- 42

15 Notes of Schematic Diagrams ---------------------------------------------- 43

16.1. (A) CD Servo Circuit--

16.2. (B) XM Module Circuit

16.3. (C) Tuner Circuit --------

16.4. (D) Main Circuit ------------------------------------------------------------ 49

16.5. (E) Panel Circuit, (F) LED Circuit, (G) Power Switch
Circuit, (H) Tact Switch Circuit & (I) Switch Circuit --------- 52

16.6. (J) Motor Circuit, (K) Sensor Circuit & (L) Transformer
Circuit -------------------------------------------------------------------------- 53

17 Printed Circuit Board ------------------------------------------------------------ 55

17.1. (A) co Servo P.C.B., (B) XM Module P.C.B. & (C) Tuner
P.C.B. ------------
17.2. (D) Main P.C.B.